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| author | Stefan Agner <stefan@agner.ch> | 2015-04-15 16:24:25 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-04-23 14:56:09 -0400 |
| commit | 7a90a1f260908eb13b3948da0315a729795db1ab (patch) | |
| tree | 97549246c6322f52d599862a183efc7203610902 /arch/arm/cpu | |
| parent | 1db503c4b982a06741142588756fdd788474034c (diff) | |
| download | u-boot-imx-7a90a1f260908eb13b3948da0315a729795db1ab.zip u-boot-imx-7a90a1f260908eb13b3948da0315a729795db1ab.tar.gz u-boot-imx-7a90a1f260908eb13b3948da0315a729795db1ab.tar.bz2 | |
ARM: vf610: Enable caches
Enables caches which provides a rather huge speedup of the boot loader.
Also mark the on-chip RAM as cachable since this is the area U-Boot runs
from.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/vf610/generic.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c index 3bdc221..1bb9b8e 100644 --- a/arch/arm/cpu/armv7/vf610/generic.c +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -342,3 +342,19 @@ int get_clocks(void) #endif return 0; } + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ +#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH) + enum dcache_option option = DCACHE_WRITETHROUGH; +#else + enum dcache_option option = DCACHE_WRITEBACK; +#endif + dcache_enable(); + icache_enable(); + + /* Enable caching on OCRAM */ + mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR, IRAM_SIZE, option); +} +#endif |